/* header */
header{
    width: 100%;
    height: 80px;
    background-color: #f7f7f7;
}
.header__warp{
    width: 1200px;
    height: 80px;
    margin:0 auto;
    position: relative;
}
.header__logo{
    width: 160px;
    height: 60px;
    line-height: 60px;
    font-size: 30px;
    color: #07111b;
    position: absolute;
    top: 50%;
    margin-top: -30px;
    left: 20px;
}
.fa-mobile-phone:before, .fa-mobile:before {
    content: "\f10b";
    font-size: 60px;
}
.header__logo > span {
    position: absolute;
    left: 50px;
}
.header__nav{
    position: absolute;
    right: 20px;
    height: 38px;
    top: 50%;
    margin-top: -19px;
}
.header__nav-item{
    display: block;
    height: 38px;
    line-height: 38px;
    width: 30px;
    float: left;
    padding: 0 10px;
    font-size: 14px;
    text-align: center;
    position: relative;
    padding: 0 20px;
    color:#292f35;
}
.header__nav-item_button{
    background: #000;
    color: #f4f4f5;
    width: 90px;
    text-align: center;
    padding: 0;
    margin-left: 20px;
}
.header__nav-item:hover {
    color: #f01400;
}
.header__nav a.header__nav-item_status_active{
    color: #f01400;
}

/*.header__nav-item_status_active::after{
    content: ' ';
    display: block;
    width: 100%;
    height: 2px;
    position: absolute;
    background-color:#f01400;
    left: 0;
    bottom: 0;
}*/

/*第一屏*/
.screen-1 {
    height: 800px;
    width: 100%;
    background: url(../img/bg-screen-1.png) no-repeat center;
    background-size: cover;
    position: relative;
    overflow: hidden;
}
.screen-1__title {
    width: 100%;
    text-align: center;
    font-size: 46px;
    color: #4d555d;
    padding-top: 152px;
}
.screen-1__title > span {
    color: #f01400;
}
.screen-1__img-product {
    position: absolute;
    width: 1375px;
    height: 305px;
    left: 50%;
    margin-left: -687px;
    bottom: 180px;
    z-index: 2;
}
.screen-1__img-shadow {
    position: absolute;
    width: 1233px;
    height: 411px;
    z-index: 1;
    left: 50%;
    margin-left: -616px;
    bottom: 30px;
    opacity: .7;
}

/*第二屏*/
.screen-2 {
    height: 800px;
    width: 100%;
    position: relative;
    background-color: #fafafa;
    text-align: center;
    overflow: hidden;
}
.screen-2__title{
    font-size: 46px;
    line-height: 46px;
    color: #f01400;
    padding-top: 96px;
}
.screen-2  p {
    font-size: 14px;
    color: #2c3137;
    height: 28px;
    line-height: 28px;
}
.screen-2  p:nth-of-type(1){
    padding-top: 25px;
}
.screen-2__img {
    position: relative;
    width: 928px;;
    height: 873px;
    left: 50%;
    margin-left: -464px;
    bottom: -50px;
    background: url("../img/screen-2-phone.png");
}
.screen-2__img > div {
    width: 108px;
    height: 22px;
    position: absolute;
    font-size: 22px;
    line-height: 22px;
    color: #4d555d;
    padding-left: 112px;
    background: url("../img/icon-point-left.png") left top no-repeat;
}
.screen-2__img > div.screen-2__img-desc-1 {
    padding: 0;
    padding-right: 112px;
    background: url("../img/icon-point-right.png") right top no-repeat;
    top: 150px;
    left: -164px;
}
.screen-2__img-desc-2 {
    top: 30px;
    right: 130px;
}
.screen-2__img-desc-3 {
    top: 330px;
    right: 30px;
}

/*第三屏*/
.screen-3 {
    height: 800px;
    width: 100%;
    background: url("../img/bg-screen-3.png");
    background-size: cover;
    overflow: hidden;
}
.screen-3__warp {
    width: 1200px;
    height: auto;
    margin: 0 auto;
    position: relative;
}

.screen-3__title {
    font-size: 46px;
    line-height: 46px;
    padding-bottom: 25px;
    padding-top: 94px;
    color: #fff;
    text-align: left;
}
.screen-3__description {
    font-size: 14px;
    line-height: 28px;
    color: #fff;
    text-align: left;
}

.screen-3__img {
    position: absolute;
    right:0;
    top: 195px;
}
.screen-3__features {
    position: absolute;
    color: #fff;
    width: 325px;
    height: auto;
    left: 0;
    top:395px;

}
.screen-3__features-item {
    width: 138px;
    height: 118px;
    border: 1px solid #cb7173;
    margin: 0 20px 20px 0;
    float: left;
    border-radius: 5px;
    text-align: center;
}
.screen-3__features  h4 {
    height: 36px;
    line-height: 36px;
    font-size: 36px;
    padding-top: 28px;
}
.screen-3__features  p {
    padding-top: 8px;
    font-size: 14px;
    line-height: 14px;
}

/*第四屏*/
.screen-4 {
    height: 800px;
    width: 100%;
    background-color: #fff;
    overflow: hidden;
    position: relative;
    text-align: center;
}
.screen-4 > h2 {
    font-size: 46px;
    line-height: 46px;
    padding-top: 145px;
    padding-bottom: 30px;
    color: #f01400;
}
.screen-4 > p {
    font-size: 14px;
    line-height: 28px;
    color: #464a4f;
}

.screen-4__products {
    width: 1150px;
    height: auto;
    position: absolute;
    left: 50%;
    margin-left: -575px;
    top: 304px;
}
.screen-4__products-item {
    float: left;
    width: 220px;
    text-align: center;
    margin-right: 90px;
}
.screen-4__products-item:last-child {
    margin: 0;
}
.screen-4__products-item > h5 {
    font-size: 14px;
    line-height: 14px;
    padding-top: 35px;
}
.screen-4__products-item > p{
    color: #a4a9ae;
    font-size: 12px;
    line-height: 12px;
    padding-top: 10px;
}

/*第五屏*/
.screen-5 {
    height: 800px;
    width: 100%;
    background-color: #d9dde1;
    overflow: hidden;
    position: relative;
    text-align: center;
}
.screen-5 > h2 {
    font-size: 46px;
    line-height: 46px;
    color: #f01400;
    padding-top: 130px;
}
.screen-5 > p {
    font-size: 14px;
    color: #2c3137;
    padding-top: 25px;
    line-height: 28px;
}
.screen-5__img {
    width: 1920px;
    height: 433px;
    background: url("../img/bg-screen-5.png") top center no-repeat;
    background-size: contain;
    position: absolute;
    left: 50%;
    margin-left: -960px;
    bottom: -100px;
}

/*第六屏*/
.screen-buy {
    height: 80px;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
    background: #2b333b url('../img/bg-screen-buy.png') top center no-repeat;
    text-align: center;
}
.screen-buy__button {
    display: inline-block;
    height: 80px;
    line-height: 80px;
    width: 240px;
    text-align: center;
    font-size: 24px;
    color: #fff;
    background-color: #f01414;
    border-radius: 5px;
}

/*footer*/
footer {
    height: 80px;
    line-height: 80px;
    text-align: center;
    color: #fff;
    font-size: 12px;
    background-color: #07111b;
}

/*侧边栏*/
.outline {
    position: fixed;
    padding: 5px 10px;
    bottom: 120px;
    right: 0;
    z-index: 1;
    background-color: #fff;
    box-shadow: 0px 4px 12px 0px rgba(7, 17, 27, 0.1);
    z-index: 3;
}

.outline__item {
    display: block;
    width: 40px;
    height: 30px;
    line-height: 30px;
    padding: 5px 0;
    background: rgb(255,255,255);
    margin: 5px 0px 0px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #93999f;
}
.outline__item:first-child{
    border:none;
}
.outline__item:hover,
.outline__item_status_active{
    color: #f00;
}

